Abstract

Background: Both insufficient and excessive catch-up sleep durations have been implicated in influencing the risk of cardiovascular diseases (CVDs) and metabolic disorders. However, the specific impact of weekend catch-up sleep (WCS) on the relationship between hepatic steatosis (HS) and atherosclerotic cardiovascular disease (ASCVD) remains unclear.

Aims: This cross-sectional study aims to examine the potential regulatory effect of WCS on the association between controlled attenuation parameter (CAP) and ASCVD.

Methods: Weighted logistic regression analyses were employed to evaluate the associations of CAP and WCS with ASCVD, expressed in terms of odds ratios (ORs) and 95% confidence intervals (CIs). The study also explored the effect of WCS on the CAP-ASCVD relationship and assessed the potential regulatory role of WCS in subgroups based on age, gender, body mass index, and obesity status.

Results: Eligible participants were categorized into two groups: those with an ASCVD risk < 7.5% (n = 1536) and those with an ASCVD risk ≥ 7.5% (n = 1612). After adjusting for covariates, CAP ≥ 274 dB/m was associated with a higher likelihood of ASCVD compared to the CAP < 274 dB/m (OR, 1.84, 95% CI, 1.24-2.73). When compared to a WCS duration of 0-1 hour, WCS ≥ 1 hour was found to increase the potential ASCVD risk associated with CAP (OR, 3.29, 95% CI, 1.41-7.68). Furthermore, among individuals with WCS ≥ 1 hour, CAP ≥ 274 dB/m was linked to a higher ASCVD risk than among those with CAP < 274 dB/m (OR, 3.72, 95% CI, 1.99-6.93). Additionally, in subgroups of participants aged ≥ 60 years, females, non-obese and obese individuals, WCS ≥ 1 hour was associated with an increased ASCVD risk related to CAP (all, p < 0.05).

Conclusion: A WCS duration of ≥ 1 hour may be associated with an increased ASCVD risk in adults with HS aged ≥ 40 years. However, further research is necessary to clarify the causal relationships between WCS, HS, and ASCVD.